Try to add plugins to vim's packpath

.github/workflows/ci.yml

@@ -31,7 +31,6 @@ jobs:
         uses: actions/checkout@v3
         with:
           repository: dhruvasagar/vim-testify
-          path: pack/plugins/start/vim-testify
 
       - name: Install Vim or neovim
         uses: rhysd/action-setup-vim@v1
@@ -42,4 +41,4 @@ jobs:
       - name: Run unit tests
         env:
           VIM: ${{ steps.vim.outputs.executable }}
-        run: ${VIM} +"set hidden" +TestifySuite
+        run: ${VIM} +"set packpath +=${{ github.workspace }}/vim-testify,${{ github.workspace }}/vim-table-mode"  +"set hidden" +TestifySuite